CA640874A - Automatic volume control for seismograph signal amplifiers - Google Patents
Automatic volume control for seismograph signal amplifiersInfo
- Publication number
- CA640874A CA640874A CA640874A CA640874DA CA640874A CA 640874 A CA640874 A CA 640874A CA 640874 A CA640874 A CA 640874A CA 640874D A CA640874D A CA 640874DA CA 640874 A CA640874 A CA 640874A
- Authority
- CA
- Canada
- Prior art keywords
- volume control
- automatic volume
- signal amplifiers
- seismograph signal
- seismograph
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA640874T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA640874A true CA640874A (en) | 1962-05-08 |
Family
ID=35919390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA640874A Expired CA640874A (en) | Automatic volume control for seismograph signal amplifiers |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA640874A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3344364A (en) * | 1965-12-10 | 1967-09-26 | Alford Andrew | Amplitude of h.f. oscillator stabilized by rectified output of l.f. osc. |
-
0
- CA CA640874A patent/CA640874A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3344364A (en) * | 1965-12-10 | 1967-09-26 | Alford Andrew | Amplitude of h.f. oscillator stabilized by rectified output of l.f. osc. |
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